1. Department of Electronic Engineering, NED University of Engineering and Technology, Karachi, Pakistan
2. Optical Communications Laboratory, Ocean College, Zhejiang University, Zhejiang, Hangzhou, China
3. Department of Computer Sciences, College of Computer and Information Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
4. Computer Science Department, Faculty of Computers and Information, South Valley University, Qena, Egypt